Summary The UK Biodiversity Action Plan and the EC Habitats Directive aim to conserve
specific types of habitat by means of action plans and site protection measures. In order to …

The total area of standing fresh water in Great Britain has been estimated at approximately
2400 km2. The aim of the work described in this paper was to estimate the extent of the …

Article 6 of the Water Framework Directive requires member states to compile a Register of
Protected Areas for water-dependent habitats and species lying within each river basin …

This document provides an introduction to the Freshwater Ecosystems of New Zealand or
FENZ database, a set of spatial data layers describing environmental and biological patterns …

The value of specially designated sites in conserving biodiversity has been a hotly debated
issue for many years in the UK and elsewhere. The debate recently has been given fresh …

Conservation management of freshwater is a complex activity. The responsibility is
fragmented across different agencies, and no single agency is accountable for the overall …

Criteria such as species richness, endemism, rarity, comprehensiveness, adequacy,
representativeness and refugia are often used to assess biodiversity values and priorities for …

Human activities have severely affected the condition of freshwater ecosystems worldwide.
Physical alteration, habitat loss, water withdrawal, pollution, overexploitation and the …

The establishment of a system of protected areas that samples all ecosystems, including
freshwater environments, in a comprehensive, adequate and representative (CAR) manner …

This book has been possible only because of the cooperation and support of very many
friends and colleagues, and initially our thanks must go to the authors who have contributed …